Blender 2.8 BSurface with bezier curves
Firts you must select in &quot;Mesch of Bsurface&quot; the plane,after in Bsurface go to curve (guide stoke) and select your curve....Select like in the tuto,edit mode and add surface. Check the menu of add surface for the cross and follow setting.
Work in Blender 2.81a.